CKCWDM 6650

0.03 UTI

0.0

C_N

0.01

C_dens

0.12

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 12

Stellar density (N₅₀/rad) 0.1 [N/pc²]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.01 Very loose
C_C3 0.12 Very low quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CKCWDM 6650 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a very large^* distance, well below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~14.33 kpc) differs significantly from the median photometric distance (~35.97 kpc).

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Extremely distant Moderate extinction Near-solar metallicity Intermediate age

Data

🔍 Search references for CKCWDM 6650 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	139.446	-53.461	0.07	-3.451	3.144	–
Chi et al.	2025	139.438	-53.459	0.028	-3.417	3.178	–

💡 Note: The UCC values are estimated from its identified members.

Reference	Year	Dist [kpc]	Av [mag]	DAv [mag]	Age [Myr]	[Fe/H] [dex]	Mass [Msun]	B_frac	BSS
UCC	99999–	35.97	2.67	–	783	0.327	–	–	–
Chi et al.	2025	35.97	2.67	–	783	0.327	–	–	–

Visualization

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